What is a "Build A Cell Phone Blocker"? The Most Authoritative Explanation.

What is a "Build A Cell Phone Blocker"? The Most Authoritative Explanation.

Why don’t we sell small cell phone signal blockers?

If you’ve ever wondered why we don’t carry the small cell phone signal blocker device sold by our competitors for about $30-50, the answer is that we sell professional equipment, not novelty items.

Should you buy a phone blocker device?

If a phone blocker device with less than a 3 foot range is what you’re looking for, then by all means, give that unit a shot. We won’t hold it against you. We even hope it works for you. These devices are about as useful as the mobile apps that tell you how to build a cell phone jammer using your own phone (save your money and don’t buy the app).

How can I block a cell phone signal?

Depending on the frequencies you need to block, the values of the inductor (L1) and capacitor (C1) can be altered. For example, if mobile phones at your area work at 450 MHz, you need to generate 450 MHz with some noise to act as the blocking signal. Now the cell phone receiver will not be able to understand, which signal to receive.

What is a cell phone jammer?

Cell phone jammer is an electronic device that blocks transmission of signals between a cell phone and a base station. By using the same frequency as a mobile handset, the cell phone jammer creates strong interference for communication between the caller and receiver.

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